// 北京市各地区房价数据
var price = [{
  "name": "朝阳",
  "price": 69704,
  "px": "116.44975280761719",
  "py": "39.927398681640625",
}, {
  "name": "海淀",
  "price": 83652,
  "px": "116.30482482910156",
  "py": "39.96617889404297",
}, {
  "name": "丰台",
  "price": 57411,
  "px": "116.29256439208984",
  "py": "39.86489486694336",
}, {
  "name": "东城",
  "price": 103801,
  "px": "116.42343139648438",
  "py": "39.944091796875",
}, {
  "name": "西城",
  "price": 113872,
  "px": "116.37261962890625",
  "py": "39.918235778808594",
}, {
  "name": "石景山",
  "price": 47680,
  "px": "116.22959899902344",
  "py": "39.911346435546875",
}, {
  "name": "昌平",
  "price": 38732,
  "px": "116.23811340332031",
  "py": "40.22688674926758",
}, {
  "name": "大兴",
  "price": 41443,
  "px": "116.34774780273438",
  "py": "39.73271560668945",
}, {
  "name": "通州",
  "price": 47206,
  "px": "116.66355895996094",
  "py": "39.916194915771484",
}, {
  "name": "顺义",
  "price": 40480,
  "px": "116.66102600097656",
  "py": "40.13654327392578",
}, {
  "name": "房山",
  "price": 25496,
  "px": "116.14968872070312",
  "py": "39.75425720214844",
}, {
  "name": "密云",
  "price": 23008,
  "px": "116.84971618652344",
  "py": "40.38212966918945",
}, {
  "name": "门头沟",
  "price": 34822,
  "px": "116.10806274414062",
  "py": "39.946128845214844",
}, {
  "name": "怀柔",
  "price": 27994,
  "px": "116.63815307617188",
  "py": "40.32231521606445",
}, {
  "name": "延庆",
  "price": 23460,
  "px": "115.98165893554688",
  "py": "40.46244812011719",
}, {
  "name": "平谷",
  "price": 28213,
  "px": "117.12779235839844",
  "py": "40.146968841552734",
}, {
  "name": "燕郊",
  "price": 18880,
  "px": "116.81623840332031",
  "py": "39.95005798339844",
}, {
  "name": "北京周边",
  "price": 17266,
  "px": "116.69001770019531",
  "py": "39.54424285888672",
}];